the-BA : Into the bloodstream

If you have a headache, you might take a pain-reliever. The active ingredients in OTC pain-relievers relieve symptoms. They are not cures or remedies. Similarly, you might suck a throat sweet if your throat is sore. The speed at which they work can vary depending on the form of the medicine. Most people want the relief of their symptoms to be as quick as possible.

Have you ever wondered how long it takes for medicines to get into the bloodstream?

You might like to …

Use Visking tubing to model the stomach wall and investigate how quickly different medicines pass through. This is a complex investigation, and you’ll have to consider a number of factors. For example …
how to detect the medicine as it passes through the tubing
the effects of (i) using whole tablets, ones that have been powdered or liquids, (ii) stirring, (iii) temperature
better ways of stimulating liquid in the stomach, rather than using water.

Further links:
http://www.fact-index.com/v/vi/visking_tubing.html

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